IRM-3640AF4 receiver equivalent, infrared remote-control receiver.
:
* Photo detector and preamplifier in one package
* Internal filter for PCM frequency
* Improved shielding against electrical field disturbance
* TTL and.
1. Optical switch 2. Light detecting portion of remote control ․AV instruments such as Audio, TV, VCR, CD, MD, etc. ․Hom.
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